package cn.kgc.springboot.util;

import com.auth0.jwt.JWT;
import com.auth0.jwt.JWTCreator;
import com.auth0.jwt.algorithms.Algorithm;
import com.auth0.jwt.interfaces.DecodedJWT;

import java.util.Calendar;
import java.util.Map;

/**
 * @author: mosin
 * @version: v1.0  2022/8/5
 */
public class JWTUtil {

    private static final String sig = "!@#$#$%1^3";

    // 获取token
    public static String creatToken(Map<String, String> map) {


        Calendar instance = Calendar.getInstance();
        instance.add(Calendar.DATE, 7);

        JWTCreator.Builder builder = JWT.create();
        map.forEach((k, v) -> {
            builder.withClaim(k, v);
        });

        String sign = builder.withExpiresAt(instance.getTime())
                .sign(Algorithm.HMAC256(sig));


        return sign;
    }

    // 验证token

    public static DecodedJWT checkToken(String token) {

        return JWT.require(Algorithm.HMAC256(sig)).build().verify(token);
    }

    
}
